Fan Casting The Departed 2

A prequel showing how Jack Nicholson’s character Frank Costello at a younger age rose to power and ruled Boston with an iron fist and how he knew the fathers of both billy costigan (Leonardo DiCaprio) and Colin Sullivan (Matt Damon). As he rises, Frank also stands out to his boss who ruled Boston originally and it’s shown how he was recruited to be an informant for the FBI and gave his former crime lord boss over to the federal government.